Lochinvar & A.O. Smith 100170640 Thermostat Control 318423-701 5-inch cage-guided valves retain their

5-inch cage-guided valves retain their original flow characteristics and failsafe positioning accuracy without requiring field modifications

this genuine Carrier part eliminates the guesswork of universal "hard start" kits by maintaining the original factory-specified timing and dropout voltage of the relay

and residential gas-fired burner systems

This 230F CO Auto Limit Switch acts as a critical safety integrated component

Lochinvar & A.O. Smith 100170640 Thermostat Control 318423-701 5-inch cage-guided valves retain theirAs a veteran tech, you know that maintaining thermal safety is non negotiable for commercial boiler and water heater uptime. The Lochinvar & A. O. Smith 100170640 Thermostat Control is a critical high limit thermostat engineered to provide precise over temperature protection in Lochinvar boilers and high recovery water heating systems. This genuine OEM temperature limit switch serves as a direct replacement for the obsolete Lochinvar TST30009,